PMC:7796329 / 7434-7458 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T52","span":{"begin":0,"end":2},"obj":"Sentence"},{"id":"T53","span":{"begin":3,"end":24},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"2. Theory and Hypotheses"}